Smartivity Hydraulic Plane Launcher STEM Building Kit tgtg-ho23-6063973 Build the circuit shown by

Build the circuit shown by placing all the parts with a black 1 next to them on the clear plastic base grid first

But in general

Each reveal sheet features a different ocean creature just waiting to go from black and white to full color

Perfect for fans of all ages

Smartivity Hydraulic Plane Launcher STEM Building Kit tgtg-ho23-6063973 Build the circuit shown byCheck out our new favorite STEM activity for curious kiddos! Ages 6+ use the crystal clear instructions to build a durable wooden paper plane launcher, no glue required. Once the launcher is built, kiddos press the syringe to watch the machine come to life and launch the paper airplane across the room. They'll learn about the forces of flight, hydraulics, and scissor mechanisms as they experiment with different types of airplanes and can even try